My resources for Prelims preparation:

My resources for Prelims preparation:

Ancient and Medieval History: Udaan booklets + NCERTs for concept building

Art and Culture: Vision IAS Neeraj Sir notes, NCERT

Modern History: Spectrum, Udaan booklet

Geography: NCERTs, Vision Class notes

Environment: Sudarshan Sir's videos on YouTube and printed class notes

Science and Tech: Current affairs only

Polity: Laxmikant

Economy: Vision IAS Sunil Sir's class notes, selected chapters from Nitin Singhaniya, Budget and Economic survey summary, Win series by Mrunal Sir on YouTube

Current affairs: PT365, Vajiram PowerUp test series, "News in short" from monthly magazines

For all the subjects, PYQs are non-negotiable.

For IR, places in news, etc, I relied on the videos available on YouTube which include videos by Sudarshan Gurjar sir and Sudarshan Lodha Sir (Target UPSC)